Question: Problem 4 : Determine the critical buckling load P c r for a fixed - fixed column made of a 6 2 5 - m

Problem 4: Determine the critical buckling load Pcr for a fixed-fixed column made of a 625-mm long, 20mm diameter circular bar of AISI 1040 hot-rolled (HR) steel. Assume AISI 1040 HR has yield and ultimate strengths of 290MPa and 520MPa, respectively.
Answer 4:
Pcr=49.0kN
Problem 4 : Determine the critical buckling load

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